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Merck
CN

08582

Urea solution

suitable for microbiology, 40% in H2O

Synonym(s):

Carbamide, Carbonyldiamide

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About This Item

Linear Formula:
NH2CONH2
CAS Number:
57-13-6
Molecular Weight:
60.06
UNSPSC Code:
41171614
NACRES:
NA.85
PubChem Substance ID:
329748614
MDL number:
MFCD00008022
Beilstein/REAXYS Number:
635724

Key Documents

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Product Name

Urea solution, suitable for microbiology, 40% in H2O

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

SMILES string

NC(N)=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)

agency

according to ISO 6579-1:2017

form

liquid

shelf life

limited shelf life, expiry date on the label

concentration

40% in H2O

application(s)

clinical testing
environmental
food and beverages
microbiology

storage temp.

2-8°C

suitability

Proteus spp.

Quality Level

200

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Application

for detection and enumeration of coliform organisms from chlorinated water by membrane filter technique

General description

Filter sterilized urea solution recommended for detection of urease activity.

Other Notes

(per vial, sufficient for 100 mL medium):
Urea 2.0 g, Distilled water 5.0 ml

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN4553
BCCL6920
BCCJ4464
BCCD4864
BCCC4102

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Annette Bahlinger et al.
Angewandte Chemie (International ed. in English), 53(33), 8779-8783 (2014-03-20)
β-Amino thioesters are important natural building blocks for the synthesis of numerous bioactive molecules. An organocatalyzed Mannich reaction was developed which provides direct and highly stereoselective access to acyclic β(2)- and β(2,3,3)-amino thioesters with adjacent tertiary and quaternary stereocenters. Mechanistic
Marco Benevento et al.
Nature communications, 5, 5613-5613 (2014-12-11)
The ectopic expression of Oct4, Klf4, c-Myc and Sox2 (OKMS) transcription factors allows reprogramming of somatic cells into induced pluripotent stem cells (iPSCs). The reprogramming process, which involves a complex network of molecular events, is not yet fully characterized. Here
G L French et al.
Lancet (London, England), 2(8551), 117-119 (1987-07-18)
Tuberculostearic acid, a structural component of Mycobacterium tuberculosis, was identified by gas chromatography/mass spectrometry with selected ion monitoring in cerebrospinal fluid (CSF) from 13 patients with proven and 8 out of 9 patients with suspected tuberculous meningitis; the negative result
Sreenivasa C Ramaiahgari et al.
Archives of toxicology, 88(5), 1083-1095 (2014-03-07)
Immortalized hepatocyte cell lines show only a weak resemblance to primary hepatocytes in terms of gene expression and function, limiting their value in predicting drug-induced liver injury (DILI). Furthermore, primary hepatocytes cultured on two-dimensional tissue culture plastic surfaces rapidly dedifferentiate
Oliver C Witard et al.
Brain, behavior, and immunity, 39, 211-219 (2013-10-15)
The present study examined whether a high protein diet prevents the impaired leukocyte redistribution in response to acute exercise caused by a large volume of high-intensity exercise training. Eight cyclists (VO2max: 64.2±6.5mLkg(-1)min(-1)) undertook two separate weeks of high-intensity training while
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